Alliance Gator Aqua Rock Permeable Stone, ASTM No.9 Granite Stone. 50 LB Bag

GATOR AQUA ROCK is manufactured to meet ASTM No.9 requirements for permeable paver joint units. The calibrated gradation obtained from the fractured high-strength granite makes it the ideal product for the bedding course & jointing material to collect surface water run-off and help stabilize interlocking paver surfaces. Graded to meet ASTM No.9 High strength granite stone for long-term use Helps collect roof & surface water run-off Helps prevent erosion Reduction of storm water rate Calibrated for the majority of permeable pavers Long-term high infiltration performance. IDEAL FOR Driveways, Parking Lots, Patios & Walkways Drainage applications Bedding and jointing material ASTM NO.9 SIEVE SIZEASTM NO.9 3/8in. (9.5mm)100 No.4 (4,75mm)85 to 100 No.8 (2,36mm)10 to 40 No. 16 (1,18mm)0 to 10 No. 50 (0.300mm)0 to 5 APPLICATION & INSTRUCTIONS NOTE: The minimum slope of the soil sub-grade should be 0.5%. Actual slope of soil sub-grade will depend on the drainage design and exfi